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378304258709 = 1337976781867
BaseRepresentation
bin1011000000101001011…
…00001110001010010101
31100011110200012112000002
411200110230032022111
522144231342234314
6445442433101045
736221506066646
oct5402454161225
91304420175002
10378304258709
1113648a9898a3
12613993b7785
132989b8486c0
141444a9c36cd
159c91d6aade
hex5814b0e295

378304258709 has 8 divisors (see below), whose sum is σ = 408479537760. Its totient is φ = 348282544176.

The previous prime is 378304258697. The next prime is 378304258723. The reversal of 378304258709 is 907852403873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 378304258709 - 216 = 378304193173 is a prime.

It is a super-2 number, since 2×3783042587092 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378304218709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38386007 + ... + 38395860.

It is an arithmetic number, because the mean of its divisors is an integer number (51059942220).

Almost surely, 2378304258709 is an apocalyptic number.

It is an amenable number.

378304258709 is a deficient number, since it is larger than the sum of its proper divisors (30175279051).

378304258709 is a wasteful number, since it uses less digits than its factorization.

378304258709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76782259.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 378304258709 in words is "three hundred seventy-eight billion, three hundred four million, two hundred fifty-eight thousand, seven hundred nine".

Divisors: 1 13 379 4927 76781867 998164271 29100327593 378304258709